system — of forces Earth fixed axis system damped system linear vibrating system force system nonlinear vibrating system statically equivalent force systems tire axis system undamped system vehicle axis system … Mechanics glossary
Rotation around a fixed axis — Rotational motion can occur around more than one axis at once, and can involve phenomena such as wobbling and precession. Rotation around a fixed axis is a special case of rotational motion, which does not involve those phenomena. The kinematics… … Wikipedia
Earth's rotation — is the rotation of the solid Earth around its own axis. The Earth rotates towards the east, which can be observed by orientation with a magnetic compass at sunrise. As viewed from the star Polaris, the Earth turns counter clockwise. Rotation… … Wikipedia
Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Axis mundi — Navel of the World redirects here. For other uses, see Navel of the World (disambiguation). Mount Kailash, depicting the holy family: of Shiva and Parvati cradling Skanda with Ganesha by Shiva s side The axis mundi (also cosmic axis, world axis,… … Wikipedia
Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… … Wikipedia
Earth radius — The Earth s shape, like that of all major planets, approximates a sphere. A true sphere has a unique radius, but on Earth the distance from the mean sea level at each point on the surface to the center (the radius of the Earth at a point on the… … Wikipedia
Earth satellite — ▪ instrument man made object launched into a temporary or permanent orbit around the Earth. Spacecraft of this type may be either manned or unmanned, the latter being the most common. The idea of an artificial satellite in orbital flight… … Universalium
axis — ax•is [[t]ˈæk sɪs[/t]] n. pl. ax•es [[t]ˈæk siz[/t]] 1) geo the line about which a rotating body, such as the earth, turns 2) math. anat. a) a central line that bisects a two dimensional body or figure b) a line about which a three dimensional… … From formal English to slang